Paints and varnishes (including enamels and lacquers) with polyurethane polymers as the basic ingredient dispersed or dissolved in non-aqueous media, except for those with a VOC content greater than 420 g/L in the working state; and solutions described in Note 4 to this chapter with polyurethane ester compounds as the basic ingredient, except for coatings with a VOC content greater than 420 g/L in the working state (excluding coatings for optical fibers with polyurethane acrylates as a main ingredient).
